| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To aim at the improvement of the cetane value of light oil obtained from coal-liquefied oil. <P>SOLUTION: (1) This method for liquefying the coal by hydrogenating and liquefying coal is characterized by adding raw material oils and fats of a bio-diesel fuel to the coal. (2) The method for liquefying the coal by hydrogenating and liquefying coal to obtain a coal-liquefied oil and hydrogenation-treating the coal-liquefied oil is characterized by adding raw material oils and fats of a bio-diesel fuel, or a bio-diesel fuel to a coal-liquefied oil, before the hydrogenation treatment. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
